Paired-pulse stimulation of the heart.
D000818:Animals; D001145:Arrhythmias, Cardiac; D002986:Clinical Trials as Topic; D004558:Electric Stimulation; D006333:Heart Failure / Q000628:therapy; D006801:Humans; D010138:Pacemaker, Artificial; D013610:Tachycardia / Q000628:therapy; D014693:Ventricular Fibrillation / Q000209:etiology